<p>This 4 ports USB3.0 HUB extension can connect USB flash drive, mouse, keyboard, mobile hard disk, game controller and other external devices to bring convenience for your work, study and life.</p><ul><li><p>Adopts good quality material, compact and stylish, lightweight and solid</p></li><li><p>Use high grade chip set, more stable and secure</p></li><li><p>Comply to USB3.0 specification and 5Gbps theoretical transmission speed</p></li><li><p>4 USB3.0 ports supporting 4 USB devices used at the same time</p></li><li><p>Portable size, specially designed for PC, laptop, tablet, Ultrabook, phone, etc</p></li><li><p>Downwards also compatible with USB2.0 and USB1.1</p></li></ul><p><strong>Specification:</strong></p><ul><li><p>Material: aluminum alloy</p></li><li><p>Model: T-552</p></li><li><p>Function: HUB expansion hub</p></li><li><p>Transfer Rate: 5Gbps</p></li><li><p>Output: 4 USB 3.0 ports</p></li><li><p>Item Size: 95x25x20mm / 3.74x0.98x0.79in</p></li></ul>